CONE Midstream Partners (CNNX)A September 2014 IPO, CONE
was set up by CONSOL Energy and Noble Energy to develop and
operate natural gas gathering and related assets to service CONSOL and
Noble's production in Marcellus Shale.

Formerly Crosstex Energy
Partners, changed name to Enlink Midstream in March 2014. Owns
natural gas gathering pipelines and processing plants in the
north Texas Barnett shale area and in Louisiana.

Rice Midstream Partners (RMP)A December 2014 IPO, Rice owns natural gas
pipelines and associated assets in the Appalachian Basin. Rice Energy
(RICE), its general partner, is its major customer. General partner
holds 50% of common units and owns incentive distribution rights
starting at 15% when distribution hits $0.2156/unit and topping out at
50% when distributions hit $0.2813/unit.

Spectra Energy Partners
(SEP)Owns more than 17,000 miles of natural gas pipelines and
storage facilities. Spectra Energy (SE) is general partner.

Western Gas Partners (WES)Formed
by Anadarko Petroleum, Western is in the business of gathering,
compressing, processing, treating and transporting natural gas for
Anadarko and other producers.

Williams Partners LP (WPZ)Owns natural gas gathering and processing assets in in the U.S.
Rocky Mountains and both onshore and offshore along the Gulf of Mexico.
Williams (WMB) is the general-partner. WPZ had agreed to be acquired
by WMB in 2015, but that deal was canceled when WMB agreed to be
acquired by Energy Transfer Equity, but that acquisition didn't happen.